oboe vs reed pipe

oboe

noun
  • A soprano and melody wind instrument in the modern orchestra and wind ensemble. It is a smaller instrument and generally made of grenadilla wood. It is a member of the double reed family. 

reed pipe

noun
  • An organ pipe that is sounded by a vibrating brass strip known as a reed. 

How often have the words oboe and reed pipe occurred in a corpus of books? (source: Google Ngram Viewer )